8196508819 has 4 divisors (see below), whose sum is σ = 8627904040. Its totient is φ = 7765113600.

The previous prime is 8196508783. The next prime is 8196508829. The reversal of 8196508819 is 9188056918.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8196508819 - 2¹⁷ = 8196377747 is a prime.

It is a super-2 number, since 2×8196508819² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8196508819.

It is not an unprimeable number, because it can be changed into a prime (8196508829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215697582 + ... + 215697619.

It is an arithmetic number, because the mean of its divisors is an integer number (2156976010).

Almost surely, 2^8196508819 is an apocalyptic number.

8196508819 is a deficient number, since it is larger than the sum of its proper divisors (431395221).

8196508819 is a wasteful number, since it uses less digits than its factorization.

8196508819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431395220.

The product of its (nonzero) digits is 1244160, while the sum is 55.

The square root of 8196508819 is about 90534.5725068606. The cubic root of 8196508819 is about 2016.2434528833.

The spelling of 8196508819 in words is "eight billion, one hundred ninety-six million, five hundred eight thousand, eight hundred nineteen".